Janelle is observing a sample of matter. she notes that it is a shiny silver-colored solid, has a
mass of around 20 grams, and conducts heat and electricity well. what type of properties is
janelle observing?
chemical properties
only intensive properties
physical properties
only extensive properties

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

What three things does a balanced equation show you?

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures